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Montreal police are leading the murder investigation but Ottawa police executed a search warrant at a home on Arlington Avenue on Monday afternoon, shutting down part of Bronson Avenue.

Two men were questioned but police did not find Morin, Ottawa police Sgt. Larry McNally said.

Police sources told CBC they believe Morin in hiding in Lowertown and that police operations in that neighbourhood will intensify as the manhunt continues. Police are also staking out a spot in Centretown.

Morin is wanted in both Ottawa and Gatineau on earlier charges, including domestic assault, vehicle theft, mischief, possession for the purpose of trafficking, possession of the proceeds of crime and breach of probation.

Morin has been known to Ottawa police for a decade.

Boisvert had a history in Ottawa

Boisvert, 36, had worked as a stripper in Ottawa and had training as a home care worker. Her family told the CBC that she had aspirations for a new career as an event planner.

Friends described Boisvert as a happy, easygoing person known for her great laughter. She was killed before she was to take a vacation in the Caribbean.